Java.Lang.Noclassdeffounderror Com/Sap/Mw/Jco/Jco$Exception

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The command: java -jar sapjco.jar com. sap . mw .jco.about returns the error: Exception in thread main java .lang.NoClassDefFoundError: com/ sap / mw /jco/about, Hi, We have deployed the EJB on WAS 6.4.0. We are making a JCO call and getting this remote exception . We are not sure how to provide the sapjco.jar together with our EAR. We are using NWDS to generate the EAR file. regards, ss – x3C![CDATA[at com.myco, If a JCo class cannot be found it is either because the sapjco3.jar is really not in the class path or the JCo initialization failed, for example at loading its native library. Did you choose the correct JCo native library fitting to your JVM (32-bit vs. 64-bit)?